if legacy {
			// ram_per_request is (1MiB+32KiB) * driveCount \
			//    + 2 * 10MiB (default erasure block size v1) + 2 * 1MiB (default erasure block size v2)
			apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*blockSize+int(blockSizeV1*2+blockSizeV2*2)))
		} else {
			// ram_per_request is (1MiB+32KiB) * driveCount \
			//    + 2 * 1MiB (default erasure block size v2)

			}
			if o != 0 || l != esum(test.oi) || skip != 0 || sn != 0 || ps != 0 {
				t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
			}
		}

		// Skip 1Mib and read 1Mib (in the decrypted object)
		//
		// The check below ensures the object is large enough
		// for the read.
		if lsum(test.decSizes) >= 2*humanize.MiByte {

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015
const blockSize = 8 << 10 // 8192

// By default at least 128 entries in single getdents call (1MiB buffer)
var (
	direntPool = bpool.Pool[*[]byte]{
		New: func() *[]byte {
			buf := make([]byte, blockSize*128)
			return &buf
		},
	}

	direntNamePool = bpool.Pool[*[]byte]{

//msgp:clearomitted

//go:generate msgp -file $GOFILE -unexported

// dataUsageHash is the hash type used.
type dataUsageHash string

// sizeHistogramV1 is size histogram V1, which has fewer intervals esp. between
// 1024B and 1MiB.
type sizeHistogramV1 [dataUsageBucketLenV1]uint64

// sizeHistogram is a size histogram.
type sizeHistogram [dataUsageBucketLen]uint64

// versionsHistogram is a histogram of number of versions in an object.

}

// ObjectsHistogramIntervals is the list of all intervals
// of object sizes to be included in objects histogram.
// Note: this histogram expands 1024B-1MB to incl. 1024B-64KB, 64KB-256KB, 256KB-512KB and 512KB-1MiB
var ObjectsHistogramIntervals = [dataUsageBucketLen]objectHistogramInterval{
	{"LESS_THAN_1024_B", 0, humanize.KiByte - 1},

	tests := []struct {
		name     string
		dataSize int64
	}{
		{"4KiB", 4 * humanize.KiByte},
		{"64KiB", 64 * humanize.KiByte},
		{"128KiB", 128 * humanize.KiByte},
		{"1MiB", 1 * humanize.MiByte},
		{"5MiB", 5 * humanize.MiByte},
		{"10MiB", 10 * humanize.MiByte},
		{"5MiB-1KiB", 5*humanize.MiByte - 1*humanize.KiByte},
		{"10MiB-1Kib", 10*humanize.MiByte - 1*humanize.KiByte},
	}

		return
	}

	objAPI := api.ObjectAPI()
	if objAPI == nil {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

	// Tags XML will not be bigger than 1MiB in size, fail if its bigger.
	tags, err := tags.ParseObjectXML(io.LimitReader(r.Body, 1<<20))
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}